.selectitem {
  padding: 0 50px;
}
.selectitem .title {
  font-size: 38px;
  font-family: NotoSanHans;
  font-weight: 400;
  color: #666666;
  line-height: 30px;
  margin-top: 100px;
}
.selectitem ul {
  list-style: none;
  overflow: hidden;
}
.selectitem ul li {
  float: left;
  width: 320px;
  height: 80px;
  text-align: center;
  line-height: 80px;
  color: #333;
  background: #F0F0F0;
  margin-top: 33px;
  margin-right: 32px;
  font-size: 32px;
}
.selectitem ul li:nth-child(3n) {
  margin-right: 0;
}
.selectitem ul li.active {
  background-color: #2e57ff;
  color: #fff;
}
